/*
 *  Dynamic device configuration and creation.
 *
 *  Copyright (c) 2009 CodeSourcery
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include "hw/qdev.h"
#include "hw/sysbus.h"
#include "monitor/monitor.h"
#include "monitor/qdev.h"
//#include "qmp-commands.h"
#include "sysemu/arch_init.h"
#include "qapi/qmp/qerror.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"

/*
 * Aliases were a bad idea from the start.  Let's keep them
 * from spreading further.
 */
typedef struct QDevAlias
{
    const char *typename;
    const char *alias;
    uint32_t arch_mask;
} QDevAlias;

static const QDevAlias qdev_alias_table[] = {
    { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
    { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
    { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
    { "virtio-balloon-pci", "virtio-balloon",
            QEMU_ARCH_ALL & ~QEMU_ARCH_S390X },
    { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X },
    { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X },
    { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X },
    { "lsi53c895a", "lsi" },
    { "ich9-ahci", "ahci" },
    { "kvm-pci-assign", "pci-assign" },
    { "e1000", "e1000-82540em" },
    { }
};


static Object *qdev_get_peripheral(void)
{
    static Object *dev;

    if (dev == NULL) {
        dev = container_get(qdev_get_machine(), "/peripheral");
    }

    return dev;
}

static Object *qdev_get_peripheral_anon(void)
{
    static Object *dev;

    if (dev == NULL) {
        dev = container_get(qdev_get_machine(), "/peripheral-anon");
    }

    return dev;
}

void qdev_machine_init(void)
{
    qdev_get_peripheral_anon();
    qdev_get_peripheral();
}

QemuOptsList qemu_device_opts = {
    .name = "device",
    .implied_opt_name = "driver",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
    .desc = {
        /*
         * no elements => accept any
         * sanity checking will happen later
         * when setting device properties
         */
        { /* end of list */ }
    },
};

QemuOptsList qemu_global_opts = {
    .name = "global",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
    .desc = {
        {
            .name = "driver",
            .type = QEMU_OPT_STRING,
        },{
            .name = "property",
            .type = QEMU_OPT_STRING,
        },{
            .name = "value",
            .type = QEMU_OPT_STRING,
        },
        { /* end of list */ }
    },
};

int qemu_global_option(const char *str)
{
    char driver[64], property[64];
    QemuOpts *opts;
    int rc, offset;

    rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset);
    if (rc == 2 && str[offset] == '=') {
        opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort);
        qemu_opt_set(opts, "driver", driver, &error_abort);
        qemu_opt_set(opts, "property", property, &error_abort);
        qemu_opt_set(opts, "value", str + offset + 1, &error_abort);
        return 0;
    }

    opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false);
    if (!opts) {
        return -1;
    }

    return 0;
}
